CVE-2021-21577 json
Dell EMC iDRAC9 versions prior to 4.40.40.00 contain a DOM-based cross-site scripting vulnerability.
published 2021-08-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8849
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
Dell EMC iDRAC9 versions prior to 4.40.40.00 contain a DOM-based cross-site scripting vulnerability. A remote attacker could potentially exploit this vulnerability to run malicious HTML or JavaScript in a victim’s browser by tricking a victim in to following a specially crafted link.
Patch / fix
- Dell Integrated Dell Remote Access Controller (iDRAC) 4.40.40.00
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Dell Integrated Dell Remote Access Controller (iDRAC)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
dell.com
/support/kbdoc/000189193
vendor-advisory
Sources
- CVE List CVE-2021-21577
- NVD CVE-2021-21577
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